bugs_lst = [
    {'bug_id':1,'bug_title':'注册','bug_level':3,'creater':'admin','create_time':12,'bug_type':'功能测试'},
    {'bug_id':2,'bug_title':'登录','bug_level':2,'creater':'adm','create_time':11,'bug_type':'功能测试'},
    {'bug_id':3,'bug_title':'购物车','bug_level':1,'creater':'ain','create_time':15,'bug_type':'功能测试'},
    {'bug_id':4,'bug_title':'添加地址','bug_level':3,'creater':'dmin','create_time':14,'bug_type':'功能测试'},
    {'bug_id':5,'bug_title':'订单','bug_level':3,'creater':'min','create_time':13,'bug_type':'功能测试'},
]
a=[1,2,3]
b=[4,5,6]
c=a+b
print(c)

d=["hello"]
e=["world"]
f=[d+e]
print(f)
a1=(1,2,3)
print(a1*3)
print(d*4)
tp1=('red','blue','green','yellow')
tp2=(1,2,3,4)
print(len(tp1))
print(max(tp1))
print(min(tp1))
print(sum(tp2))
print(sorted(tp1))
tp3=['red','blue','green','yellow']
print(reversed(tp1))
for x in reversed(tp1):
    print(x,end=' ')
print('\n')

for key,value in enumerate(tp1):
    print("key:",key,"===","vlaue:",value)
print('\n')
print(str(tp1))
print(str([1,2,3]))
print(str((1,2,3)))
print(str({'key1':1,'key2':2,'key3':3}))
print(type(tp1))
v=zip(('a','b'),(1,2))
for key,value in v:
    print("key:",key,"value:",value)
print(type(v))


